Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b988efce2a2cb9cf73abffde34eb6596b525fc4e8ad237dc63f5bd9709572cc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^